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Finding the Fourth Proportional to 111,245.29, 166,866.49 and 27,006.13

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Solution

The fourth proportional to 111,245.29, 166,866.49 and 27,006.13 is: 40,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,245.29 : 166,866.49 = 27,006.13 : x
  2. Step 2: Convert to fraction form
    111,245.29/166,866.49 = 27,006.13/x
  3. Step 3: Cross multiply
    111,245.29x = 166,866.49 × 27,006.13
  4. Step 4: Simplify right side
    111,245.29x = 4,506,418,121.58
  5. Step 5: Solve for x
    x = 4,506,418,121.58/111,245.29
  6. Step 6: Final answer
    x = 40,508.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.